a.Name the class of drug and the subjective effects it has on a user. In addition...

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Psychology

a.Name the class of drug and the subjective effects it has ona user. In addition to the risk of death associated withrespiratory failure due to drug overdose, the addictive quality ofthe drug can destroy a userâ€™s life. One drug used to reduce theimpact of the addiction is Methadone. Describe the action of bothHeroin and Methadone at the receptor level.

b.Nutt et al. (2015) present the addictive qualities of drugslike heroin as evidence against current models of addiction thatfocus entirely on dopamine. Summarise the key arguments andconclusions that are based on the impact of drugs like heroine onthe brain and a personâ€™s experience associated with drugtaking.
c.Explain why methadone would be beneficial for peopleaddicted to heroin. In your answer outline why this difference indrug action of methadone (compared to heroin) makes sense in termsof our understanding of receptor function and also on a moregeneral level, how reward and value are coded by the brain.

(Around 100 words each)
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First Question a Describe the action of both Heroin and Methadone at the receptor level Heroin Heroin is synthetically derived from the morphine alkaloid in opium and is approximately twice as potent as morphine Heroin acts agonistically on central nervous system CNS opioid receptors mu kappa and delta Mu receptor effects See Answer

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